[INFO] crate spng-sys 0.1.0-alpha.3 is already in cache
[INFO] checking spng-sys-0.1.0-alpha.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate spng-sys 0.1.0-alpha.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate spng-sys 0.1.0-alpha.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spng-sys 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate spng-sys 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate spng-sys 0.1.0-alpha.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c189e9a38840e27174042dfce48e55194b4404811d42370efab5d2ccf8e6e515
[INFO] running `"docker" "start" "-a" "c189e9a38840e27174042dfce48e55194b4404811d42370efab5d2ccf8e6e515"`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling spng-sys v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: libspng/spng.c: In function 'spng_decode_scanline':
[INFO] [stderr] warning: libspng/spng.c:1852:68: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning:  int spng_decode_scanline(spng_ctx *ctx, unsigned char *out, size_t len)
[INFO] [stderr] warning:                                                                     ^~~
[INFO] [stderr] warning: libspng/spng.c: In function 'decode_scanlines':
[INFO] [stderr] warning: libspng/spng.c:1899:14: warning: unused variable 'i' [-Wunused-variable]
[INFO] [stderr] warning:      uint32_t i, k, scanline_idx, width;
[INFO] [stderr] warning:               ^
[INFO] [stderr] warning: libspng/spng.c:1861:71: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning:  static int decode_scanlines(spng_ctx *ctx, unsigned char *out, size_t len)
[INFO] [stderr] warning:                                                                        ^~~
[INFO] [stderr] warning: libspng/spng.c: In function 'spng_decode_row':
[INFO] [stderr] warning: libspng/spng.c:2192:63: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning:  int spng_decode_row(spng_ctx *ctx, unsigned char *out, size_t len)
[INFO] [stderr] warning:                                                                ^~~
[INFO] [stderr] warning: libspng/spng.c: In function 'spng_decode_image':
[INFO] [stderr] warning: libspng/spng.c:2298:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:          for(i=0; i < lut_entries; i++)
[INFO] [stderr] warning:                     ^
[INFO] [stderr] warning: libspng/spng.c:2380:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:              if(f.apply_trns && i < ctx->trns.n_type3_entries)
[INFO] [stderr] warning:                                   ^
[INFO] [stderr] warning: libspng/spng.c:2201:65: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning:  int spng_decode_image(spng_ctx *ctx, unsigned char *out, size_t len, int fmt, int flags)
[INFO] [stderr] warning:                                                                  ^~~
[INFO] [stderr] warning: libspng/spng.c: In function 'buffer_read_fn':
[INFO] [stderr] warning: libspng/spng.c:2526:48: warning: unused parameter 'user' [-Wunused-parameter]
[INFO] [stderr] warning:  static int buffer_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:                                                 ^~~~
[INFO] [stderr] warning: libspng/spng.c:2526:60: warning: unused parameter 'data' [-Wunused-parameter]
[INFO] [stderr] warning:  static int buffer_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:                                                             ^~~~
[INFO] [stderr] warning: libspng/spng.c: In function 'file_read_fn':
[INFO] [stderr] warning: libspng/spng.c:2538:35: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] warning:  static int file_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:                                    ^~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `"docker" "inspect" "c189e9a38840e27174042dfce48e55194b4404811d42370efab5d2ccf8e6e515"`
[INFO] running `"docker" "rm" "-f" "c189e9a38840e27174042dfce48e55194b4404811d42370efab5d2ccf8e6e515"`
[INFO] [stdout] c189e9a38840e27174042dfce48e55194b4404811d42370efab5d2ccf8e6e515